[vtkusers] How to extract points and lines?

[Jothybasu K Selvaraj]

Why don't you independently set the values required like
setValue(0,50),setValue(1,60).

Jothy

2010/4/1 Andrej Gluhov <realandron at gmail.com>

> I use vtkContourFilter on DICOM-Image. The filter generates several
> isolines. How to extract points and lines for each isolines or is it
> impossible? I want to remove some isolines, but do not know how.
>
>            vtkDICOMImageReader DicomReader = new vtkDICOMImageReader();
>             DicomReader.SetFileName(m_strFilePath);
>             DicomReader.Update();
>
>             vtkContourFilter m_iso = new vtkContourFilter();
>             m_iso.SetInputConnection(DicomReader.GetOutputPort());
>             m_iso.SetValue(0, (double)numcontourValue.Value);
>             m_iso.Update();//generate several isolines,but some need to
> remove
>
>             vtkPolyData PD = m_iso.GetOutput();
>             int NumberOfPoints = PD.GetNumberOfPoints();
>
>             using (FileStream fs = new FileStream("Points.txt",
> FileMode.Create))
>             {
>                 using (StreamWriter sw = new StreamWriter(fs))
>                 {
>                     for (int i = 0; i < NumberOfPoints; i++)//points for
> all isolines
>                     {
>                             double[] xyz = PD.GetPoint(i);
>                             sw.Write(xyz[0].ToString() + " " +
> xyz[1].ToString() + " " + xyz[2].ToString() + "\r\n");
>                             sw.Flush();
>                     }
>                 }
>             }
> --
> С Уважением,
> Андрей.
> Best regards, Andrew
>
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